Joga e aprende a estimar e medir ângulos.
http://resources.oswego.org/games/bananahunt/bhunt.html
http://www.amblesideprimary.com/ambleweb/mentalmaths/angleshapes.html
http://www.innovationslearning.co.uk/subjects/maths/activities/year6/angles/game.asp
http://www.numeracyapps.co.uk/fruitpicker/